8339019: Obsolete the UseLinuxPosixThreadCPUClocks flag

[dholmes-ora]

The UseLinuxPosixThreadCPUClocks flag was deprecated in 24 and should be obsoleted in 25.

Testing: tiers 1-3 sanity

Thanks

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8339019: Obsolete the UseLinuxPosixThreadCPUClocks flag (Enhancement - P4)

Reviewers

• Calvin Cheung (@calvinccheung - Reviewer)
• Kim Barrett (@kimbarrett - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/22595/head:pull/22595
$ git checkout pull/22595

Update a local copy of the PR:
$ git checkout pull/22595
$ git pull https://git.openjdk.org/jdk.git pull/22595/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 22595

View PR using the GUI difftool:
$ git pr show -t 22595

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/22595.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back dholmes! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@dholmes-ora This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8339019: Obsolete the UseLinuxPosixThreadCPUClocks flag

Reviewed-by: ccheung, kbarrett

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 19 new commits pushed to the master branch:

• 166c127: 8345726: Update mx in RunTestPrebuiltSpec to reflect change in JDK-8345302
• e821d59: 8345589: Simplify Windows definition of strtok_r
• 153dc6d: 8345133: Test sun/security/tools/jarsigner/TsacertOptionTest.java failed: Warning found in stdout
• d7ef3ac: 8345684: OperatingSystemMXBean.getSystemCpuLoad() throws NPE
• 830173f: 8344068: Windows x86-64: Out of CodeBuffer space when generating final stubs
• 69e664d: 8345632: [ASAN] memory leak in get_numbered_property_as_sorted_string function
• 842b363: 8345698: Remove tier1_compiler_not_xcomp from github actions
• 458979d: 8344611: Add missing classpath exception
• 83ea013: 8345629: Remove expired flags in JDK 25
• c517ffb: 8339910: RISC-V: crc32 intrinsic with carry-less multiplication
• ... and 9 more: https://git.openjdk.org/jdk/compare/84032850dbe3add7b7c8d6a4b2fbd5d5cab4483a...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

@dholmes-ora The following label will be automatically applied to this pull request:

• hotspot-runtime

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

[mlbridge]

Webrevs

• 00: Full (28f2a50f)

[calvinccheung]

Looks good.

[dholmes-ora]

Thanks for the review @calvinccheung !

[kimbarrett]

Looks good.

[dholmes-ora]

Thanks for the review @kimbarrett !

/integrate

[openjdk]

Going to push as commit 7d3a404.
Since your change was applied there have been 30 commits pushed to the master branch:

• a606836: 8345744: Use C++ LINK_TYPE with SetupBuildLauncher in StaticLibs.gmk
• fe0173d: 8345803: Update copyright year to 2024 for security in files where it was missed
• 2207749: 8344629: SSLSocketNoServerHelloClientShutdown test timeout
• 0b9e749: 8345390: [ubsan] systemDictionaryShared.cpp:964: member call on null pointer
• eff20a3: 8345794: Backout doc change introduced by JDK-8235786
• 48e22ba: 8345693: Update JCov for class file version 69
• cc628a1: 8345287: C2: live in computation is broken
• 480b508: 8345156: C2: Add bailouts next to a few asserts
• b120404: 8345793: Update copyright year to 2024 for the build system in files where it was missed
• 7aa0cbc: 8345614: Improve AnnotationFormatError message for duplicate annotation interfaces
• ... and 20 more: https://git.openjdk.org/jdk/compare/84032850dbe3add7b7c8d6a4b2fbd5d5cab4483a...master

Your commit was automatically rebased without conflicts.

[openjdk]

@dholmes-ora Pushed as commit 7d3a404.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.